In line with the modernization program undertaken in the last years, Petrom, the largest oil and gas producer in South Eastern Europe, has taken the decision to build new modern and comfortable headquarters in Bucharest, Romania. The project aims at giving its employees a unique office environment, as well as aligning the company image with the highest international standards. The design and construction project of the new Bucharest headquarters is based on the Working Environmental Branding (WEB) concept and include the interiors and exteriors of a compound of five buildings under the name of Petrom City, and has been commissioned to the Bucharest-based architectural studio Square One.